From 40b191ef49c08fa98c637683fc9867c3e205b4a3 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Thu, 10 Oct 2019 14:10:01 +0900
Subject: [PATCH] Skip HeadersOverrideMiddleware if on onion

---
 BTCPayServer/Hosting/HeadersOverrideMiddleware.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/BTCPayServer/Hosting/HeadersOverrideMiddleware.cs b/BTCPayServer/Hosting/HeadersOverrideMiddleware.cs
index e93c75010..0577aa2e3 100644
--- a/BTCPayServer/Hosting/HeadersOverrideMiddleware.cs
+++ b/BTCPayServer/Hosting/HeadersOverrideMiddleware.cs
@@ -23,7 +23,10 @@ namespace BTCPayServer.Hosting
         {
             if (!string.IsNullOrEmpty(overrideXForwardedProto))
             {
-                httpContext.Request.Headers["X-Forwarded-Proto"] = overrideXForwardedProto;
+                if (!httpContext.Request.Host.Host.EndsWith(".onion", StringComparison.OrdinalIgnoreCase))
+                {
+                    httpContext.Request.Headers["X-Forwarded-Proto"] = overrideXForwardedProto;
+                }
             }
             await _Next(httpContext);
         }